positionの使い方
<style> .container { position:relative; } .box { position:absolute; } </style> </head> <body> <div class="wrapper"> <div class="box"></div> </div> </body>
<style> .container { position:relative; } .box { position:absolute; } </style> </head> <body> <div class="wrapper"> <div class="box"></div> </div> </body>